ONE:From this it may be seen that there must occur a great loss of power in operating on large pieces, for whatever force is absorbed by inertia has no effect on the underside. By watching a smith using a hand hammer it will be seen that whenever a piece operated upon is heavier than the hammer employed, but little if any effect is produced on the anvil or bottom surface, nor is this loss of effect the only one. The expense of heating, which generally exceeds that of shaping forgings, is directly as the amount of shaping that may be done at each heat; and consequently, if the two sides of a piece, instead of one, can be equally acted upon, one-half the heating will be saved.
TWO:Meanwhile, hedonism had been temporarily taken up by Plato, and developed into the earliest known form of utilitarianism. In his Protagoras, he endeavours to show that every virtue has for its object either to secure a greater pleasure by the sacrifice of a lesser pleasure, or to avoid a greater pain by the endurance of a lesser pain; nothing being taken into account but the interests of the individual agent concerned. Plato afterwards discarded the theory sketched in the Protagoras for a higher and more generous, if less distinctly formulated morality; but while ceasing to be a hedonist he remained a utilitarian; that is to say, he insisted on judging actions by their tendency to promote the general welfare, not by the sentiments which they excite in the mind of a conventional spectator.A great share of the alleged improvements in machinery, when investigated will be found to consist in nothing more than the combination of several functions in one machine, the novelty of their arrangement leading to an impression of utility and increased effect.
FORE:
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